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Question
定积分后还是int(),如何解决?。
大神好,想用双重积分求解下式中, ,但积分运行后,出现int()的结果,为什么计算不出来,怎么才能计算出来呢? clc; clear; syms x y z l b pn f = int(int(3*pn*z^3/(2*pi*(x^2+y^2...
3 years ago | 1 answer | 0
